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gray silicone caulk

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 48Growth 38Conversion 100Competition 3Returns 97Price range 84Avg price 95Brand share 0Review moat 23Quality gap 20

Conversion

Incredible20.1%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Avg price

Incredible$24.71

avg listing price — sweet spot $15–$100

Price range

Great$6.07–$74.06

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Okay$258K

$258K/yr · 52K searches

Growth

Okay+10.1%

90-day search growth — must beat 0% to launch

Review moat

Bad6,972.83

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, gray silicone caulk is a $258K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr. Verdict: Skip it — 45/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

gray silicone caulk market data

Units sold / yr
10K–13K
avg 1,500–2,000/product
Revenue / yr
$247K–$309K
units × avg price
Conversion rate
20.1%
Avg BSR
#6
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
0.0%
Avg brand age
60 months
Avg seller age
156 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 falling

Sellers

96

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • Permatex100%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 85 weeks — +10.1% search growth over the last 90 days.
2K1KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Apr · busiest ÷ quietest = 1.5×

Top gray silicone caulk search terms

  • permatex ultra grey27K/yr
  • grey silicone8K/yr
  • ultra grey gasket maker7K/yr
  • grey rtv4K/yr
All search terms

Top gray silicone caulk products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$39K30%$77K45%$116K60%$155K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about gray silicone caulk

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall22%

“Best Sealant On The Market”

Value For Money16%

“Good price”

Advertised Vs Actual Product10%

“Works as expected”

Leak-Proof9%

“No leaks from the oil pan anymore”

Efficiency9%

“oil pan edges works great”

Lubrication5%

“But Seems Like a Solid Choice for Oil-Sealing Jobs”

Ease Of Use4%

“Easy to use”

Adhesion/Stickiness3%

“It bonds great”

Material Quality3%

“In my opinion this the best silicone for everything”

Strength2%

“my hands are steadier than his”

What buyers complain about

Quality-Overall18%

“Junk product”

Leak-Proof14%

“The outside of my birdfeeder has been leaking water all over the side of the deck”

Hard Feel6%

“It was hard when I got it”

Spray/Flow6%

“could not get it to flow”

Size-Overall5%

“the tube is small”

Functionality-Overall3%

“I cant really say whether or not the product actually works”

Ease Of Use3%

“was difficult to work with”

Strength2%

“The only product that felt a bit stronger was the Right Stuff”

Thickness2%

“Thick”

Durability2%

“This product will not hold at all”

Top return reasons

Size-Overall18%
Compatibility-Overall13%
Value For Money9%
Advertised Vs Actual Product9%
Functionality-Overall9%
Color8%
Material Quality6%
Leak-Proof5%
Defective Material/Parts5%
Adhesion/Stickiness4%

Common questions

Is gray silicone caulk profitable to sell on Amazon United States?
The niche generates $258K/yr across 6 tracked products. 90-day search growth is +10.1%. Flapen's verdict: Skip it (45/100).
How competitive is the gray silicone caulk niche?
1 brands and 96 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in gray silicone caulk?
Top complaints mined from reviews: Quality-Overall, Leak-Proof, Hard Feel. The return rate is 0.6%.
When does demand for gray silicone caulk peak?
Demand peaks in Apr; the busiest month runs 1.5× the quietest.
What does it cost to enter the gray silicone caulk niche?
Listings span $6.07–$74.06; the average listing price is $24.71 (sweet spot $15–$100). The average incumbent carries 6,973 reviews — the moat a new listing must climb.